{"id":70861,"date":"2016-02-12T15:59:42","date_gmt":"2016-02-12T15:59:42","guid":{"rendered":"http:\/\/www.esri.com\/arcgis-blog\/products\/product\/uncategorized\/new-enhancements-to-ocean-content-in-the-living-atlas-of-the-world\/"},"modified":"2018-03-26T21:07:55","modified_gmt":"2018-03-26T21:07:55","slug":"new-enhancements-to-ocean-content-in-the-living-atlas-of-the-world","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/imagery\/imagery\/new-enhancements-to-ocean-content-in-the-living-atlas-of-the-world","title":{"rendered":"New Enhancements to Ocean Content in the Living Atlas of the World"},"author":6701,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[22931,22771],"tags":[26351,40161,22821,28601],"industry":[],"product":[36581,36551],"class_list":["post-70861","blog","type-blog","status-publish","format-standard","hentry","category-imagery","category-natural-resources","tag-content","tag-living-atlas-of-the-world","tag-oceans-and-maritime","tag-sciences","product-arcgis-living-atlas","product-arcgis-online"],"acf":{"short_description":"New enhancements to Ocean Content in the Living Atlas of the WorldThe Living Atlas team is excited about the most recent ocean content re...","flexible_content":[{"acf_fc_layout":"content","content":"<dl>\n<dt><\/dt>\n<\/dl>\n<dl>\n<dd>New enhancements to Ocean Content in the Living Atlas of the World<\/dd>\n<\/dl>\n<p>The Living Atlas team is excited about the most recent ocean content release.\u00a0 With 1 new service and significant enhancements to 7 additional services this update improves performance and expands analytical capabilities. The new and updated services include:<\/p>\n<p><a href=\"http:\/\/goto.arcgisonline.com\/oceans2\/Distance_to_Coast\">Distance to Coast<\/a> (new)<\/p>\n<p><a href=\"http:\/\/goto.arcgisonline.com\/oceans2\/Distance_from_Shore\">Distance from Shore<\/a> (updated)<\/p>\n<p><a href=\"http:\/\/goto.arcgisonline.com\/oceans2\/Seafloor_Aragonite\">Seafloor Aragonite<\/a> (updated)<\/p>\n<p><a href=\"http:\/\/goto.arcgisonline.com\/oceans2\/Seafloor_Bathymetry\">Seafloor Bathymetry<\/a> (updated)<\/p>\n<p><a href=\"http:\/\/goto.arcgisonline.com\/oceans2\/Seafloor_Dissolved_Oxygen\">Seafloor Dissolved Oxygen<\/a> (updated)<\/p>\n<p><a href=\"http:\/\/goto.arcgisonline.com\/oceans2\/Seafloor_Salinity\">Seafloor Salinity<\/a> (updated)<\/p>\n<p><a href=\"http:\/\/goto.arcgisonline.com\/oceans2\/Seafloor_Silicate\">Seafloor Silicate<\/a> (updated)<\/p>\n<p><a href=\"http:\/\/goto.arcgisonline.com\/oceans2\/Seafloor_Temperature\">Seafloor Temperature<\/a> (updated)<!--more--><\/p>\n<h2>Enhancements and Explanations<\/h2>\n<p><strong>Raster Functions:<\/strong>\u00a0 This release adds raster functions to many of the ocean services. When you publish an image service you can define functions that are applied by the server on the fly when requested by a client application. To learn more, see <a href=\"http:\/\/server.arcgis.com\/en\/server\/latest\/publish-services\/linux\/server-side-raster-functions.htm\">Server-side processing with raster functions<\/a>.<br \/>\nThis release of Oceans Content includes the following functions:<\/p>\n<p><span style=\"font-size: 16px\">Aspect Function<\/span><\/p>\n<ul>\n<li>This server-side function will apply an on-the-fly process to the input elevation values to identify the downslope direction of the maximum rate of change in value from each cell to its neighbors (aspect).<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Hillshade Function<\/span><span style=\"font-size: 16px\"><br \/>\n<\/span><\/p>\n<ul>\n<li>This server-side function will apply an on-the-fly process to the input elevation values to generate a single band grayscale hillshade.<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Slope Function<\/span><\/p>\n<ul>\n<li>This server-side function will apply an on-the-fly process to the input elevation values to calculate the rate of change of elevation, or slope in degrees for each DEM cell.<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Unit Conversion Function (meters to feet)<\/span><\/p>\n<ul>\n<li>This server-side function will apply an on-the-fly process to the input depth values to convert the units from meters to feet.<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Unit Conversion Function (Celsius to Fahrenheit)<\/span><\/p>\n<ul>\n<li>This server-side function will apply an on-the-fly process to the input temperature values to convert the units from Celsius to Fahrenheit.<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">\u00a0Unit Conversion Function (Celsius to Kelvin)<\/span><\/p>\n<ul>\n<li>This server-side function will apply an on-the-fly process to the input temperature values to convert the units from Celsius to Kelvin.<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Unit Conversion Function (kilometers to miles)<\/span><\/p>\n<ul>\n<li>This server-side function will apply an on-the-fly process to the input distance values to convert the units from kilometers to miles.<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Color Map Function (Cartographic Renderer)<\/span><\/p>\n<ul>\n<li>This server-side function will apply an on-the-fly process to transform the pixel values to display the raster data as a red, green, blue (RGB) image, based on a predefined color ramp.<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Color Map Function (Classified Renderer)<\/span><\/p>\n<ul>\n<li>This server-side function will apply an on-the-fly process to transform the pixel values to display the raster data as a red, green, blue (RGB) image, based on a predefined color classification.<\/li>\n<\/ul>\n<p>Raster Function Templates may be activated in ArcMap by loading the service into the map, right clicking on the service in the Table of Contents to select Properties, and selecting the desired function from the Server Functions tab.\u00a0 For help with invoking raster functions via REST calls, see <a href=\"http:\/\/resources.arcgis.com\/en\/help\/rest\/apiref\/\">http:\/\/resources.arcgis.com\/en\/help\/rest\/apiref\/<\/a>.<\/p>\n<p>For more information on raster functions and raster function templates please see the following links:<\/p>\n<p><a href=\"http:\/\/server.arcgis.com\/en\/server\/latest\/publish-services\/linux\/server-side-raster-functions.htm\">http:\/\/server.arcgis.com\/en\/server\/latest\/publish-services\/linux\/server-side-raster-functions.htm<\/a><\/p>\n<p>Below is a listing of the services and associated raster functions.<\/p>\n<p><span style=\"font-size: 16px\">Distance from Shore<\/span><\/p>\n<ul>\n<li>Unit Conversion \u2013 kilometers to miles<\/li>\n<li>Cartographic Renderer<\/li>\n<li>Classified Renderer<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Distance to Coast<\/span><\/p>\n<ul>\n<li>Unit Conversion \u2013 kilometers to miles<\/li>\n<li>Cartographic Renderer<\/li>\n<li>Classified Renderer<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Seafloor Aragonite (updated)<\/span><\/p>\n<ul>\n<li>Cartographic Renderer<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Seafloor Bathymetry (updated)<\/span><\/p>\n<ul>\n<li>Unit Conversion \u2013 meters to feet<\/li>\n<li>Cartographic Renderer<\/li>\n<li>Aspect<\/li>\n<li>Slope<\/li>\n<li>Hillshade<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Seafloor Dissolved Oxygen (updated)<\/span><\/p>\n<ul>\n<li>Cartographic Renderer<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Seafloor Salinity (updated)<\/span><\/p>\n<ul>\n<li>Cartographic Renderer<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Seafloor Silicate (updated)<\/span><\/p>\n<ul>\n<li>Cartographic Renderer<\/li>\n<\/ul>\n<p><span style=\"font-size: 16px\">Seafloor Temperature (updated)<\/span><\/p>\n<ul>\n<li>Cartographic Renderer<\/li>\n<li>Unit Conversion &#8211; Celsius to Fahrenheit<\/li>\n<li>Unit Conversion &#8211; Celsius to Kelvin<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\">Compression:<\/span>\u00a0 The source data for the services is scientific in nature and has a large pixel depth (32-bit or 16bit).\u00a0 In previous releases LZ77 was used as the default compression.\u00a0\u00a0 In this release we utilized the LERC compression and kept the data at the native pixel depth.<\/p>\n<p>LERC\u2014Limited Error Raster Compression (LERC) is an efficient lossy compression method recommended for single-band or elevation data with a large pixel depth, such as float, 32-bit, 16-bit, or 12-bit data. LERC compresses 5 to 10 times better and 5 to 10 times faster than LZ77 for float data. LERC is also better with integer data. When using integer data, and the error limit specified is 0.99 or less, LERC is considered a lossless compression.<\/p>\n<p><a href=\"http:\/\/server.arcgis.com\/en\/server\/latest\/publish-services\/linux\/available-map-and-image-cache-properties.htm\">http:\/\/server.arcgis.com\/en\/server\/latest\/publish-services\/linux\/available-map-and-image-cache-properties.htm<\/a><\/p>\n<p><a href=\"https:\/\/github.com\/Esri\/lerc\">https:\/\/github.com\/Esri\/lerc<\/a><\/p>\n<p>In previous releases the data had been converted from 32bit to 16bit and then a value attribute table (VAT) was built to support querying as well as color mapping.\u00a0 This made the service slow when loading in a map.\u00a0 This also had drawbacks for analysis as the pixel values did not represent the actual data values which were stored in the VAT.<\/p>\n<ul>\n<li>This third release has incorporated much of the user feedback for the Oceans2 image services.\u00a0 We encourage you to continue providing feedback regarding use and performance and recommended enhancements.<\/li>\n<\/ul>\n<h2>Living Atlas Community<\/h2>\n<ul>\n<li>How do I Use? Combine content from the Living Atlas with your own data. <a href=\"http:\/\/doc.arcgis.com\/en\/living-atlas\/use\/use-the-living-atlas.htm\">Create powerful new maps and applications!<\/a><\/li>\n<li>How do I contribute? Join the growing community of Living Atlas of the World contributors. <a href=\"http:\/\/doc.arcgis.com\/en\/living-atlas\/contribute\/contribute-to-the-living-atlas.htm\">There are two ways to contribute<\/a>!<\/li>\n<li>Learn more about the ready-to-use content that is available in the <a href=\"http:\/\/livingatlas.arcgis.com\/\">Living Atlas of the World<\/a>, including how you can contribute your maps and data.<\/li>\n<li><a href=\"http:\/\/blogs.esri.com\/esri\/arcgis\/2015\/09\/22\/use-living-atlas-image-services-in-your-desktop-analysis\/\">Use Living Atlas Image Services in Your Desktop Analysis blog post<\/a><\/li>\n<li><a href=\"http:\/\/www.arcgis.com\/home\/gallery.html#c=esri&amp;t=maps&amp;o=modified&amp;f=landscape-oceans\">Living Atlas Oceans Gallery<\/a><\/li>\n<\/ul>\n<h2>Useful Links<\/h2>\n"}],"authors":[{"ID":6701,"user_firstname":"Keith","user_lastname":"VanGraafeiland","nickname":"Keith VanGraafeiland","user_nicename":"kvangraafeiland","display_name":"Keith VanGraafeiland","user_email":"KVanGraafeiland@esri.com","user_url":"https:\/\/oceans-esrioceans.hub.arcgis.com\/","user_registered":"2018-03-02 00:18:44","user_description":"Keith VanGraafeiland is a Senior Principal GIS Engineer at Esri and Ocean Content Lead for the ArcGIS Living Atlas of the World. With over 18 years of experience, Keith specializes in marine and environmental GIS, remote sensing, and advanced data science. Keith\u2019s work bridges oceanography and data science, using machine learning and analytics to turn complex data into actionable insights for the GIS community.","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2026\/02\/KeithVanGraafeiland-7-465x465.jpg' class='avatar pp-user-avatar avatar-96 photo ' height='96' width='96'\/>"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>New Enhancements to Ocean Content in the Living Atlas of the World<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.esri.com\/arcgis-blog\/products\/imagery\/imagery\/new-enhancements-to-ocean-content-in-the-living-atlas-of-the-world\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New Enhancements to Ocean Content in the Living Atlas of the World\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esri.com\/arcgis-blog\/products\/imagery\/imagery\/new-enhancements-to-ocean-content-in-the-living-atlas-of-the-world\" \/>\n<meta property=\"og:site_name\" content=\"ArcGIS Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/esrigis\/\" \/>\n<meta property=\"article:modified_time\" content=\"2018-03-26T21:07:55+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@ESRI\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/imagery\/imagery\/new-enhancements-to-ocean-content-in-the-living-atlas-of-the-world#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/imagery\/imagery\/new-enhancements-to-ocean-content-in-the-living-atlas-of-the-world\"},\"author\":{\"name\":\"Keith VanGraafeiland\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/cb897ca2092a5340ecf510927dd0da61\"},\"headline\":\"New Enhancements to Ocean Content in the Living Atlas of the World\",\"datePublished\":\"2016-02-12T15:59:42+00:00\",\"dateModified\":\"2018-03-26T21:07:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/imagery\/imagery\/new-enhancements-to-ocean-content-in-the-living-atlas-of-the-world\"},\"wordCount\":12,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#organization\"},\"keywords\":[\"Content\",\"Living Atlas of the World\",\"oceans and maritime\",\"Sciences\"],\"articleSection\":[\"Imagery &amp; 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